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MINING IN FLINTSHIRE. (From a correspondent of the Mining Journal.) MOLD.—Mining is at a low ebb in this part, from "the price of lead ore being so reduced, and the rate of royalties exacted by the lords being so high, which naturally makes against the miner. It is a matter of surprise that the lords should so in- jure their own interests, by demanding a royalty of one-eighth, or one-tenth, which they must be well aware cannot be af: forded and thus the mines are imperfectly worked. CAE-TAN-Y-GRAIG.—This sett has just been put to work. The workings are shallow; but from which, we understand, several hundreds of tons of ore have been raised by the old men," with the aid of hand-pumps, and at a period before powder was brought into use. Shares, we believe, are to be had at cost price—viz., E8 per 1-128th, with a call of XI per share now due. WESTMINSTER MINE.-The loss here is abQut£200 per month, which is much to be regretted, as the adventurers are really deserving of a good return on the capital they have in- vested, as well as the spirit they have evinced. Upwards of £ 50,000 has been expended on the mine, and it is, at the pre- sent moment, prosecuted with vigour. BELGRAVE MINE.This is barely paying cost; the concern is in the hands of two parties only. I should say that £1,500 or E 2, 000, outlaid in a proper manner, would lead to profita Ible results. MAES-Y-SAFN.—This is a good old lasting work, and the prospects, in the eastern workings, have much improved dur- ing the past three months, the quantity of ore raised having increased 50 per cent., or from 80 to 120 tons per month. JAMAICA MINE.—To the east of Maes-y-Safn cross-cuts were driven, in the first instance, so as to intersect the Maes-v-Safn lode, in the course of which a lode was discovered, as a caunter underlying south, from which 1,350 tons have been raised dur- ing the past two years (1,000 tons from June 1, 1847, to June 1, 1848). In the roof of the 35 fm. level, about 25 fms. east of Francis's shaft, they are now raising ore, with four men, at 10s. per ton; and about 25 fms. nearer the forebreast they have gone through ore ground for 3 fms. in length, which will set at 20s. per ton. In the 35 fm. level west, driving west from the rise 8 fms. over this level, they have gone through 10 fms. of ore ground, and the last 5 or 6 fms. will set at 10s. per ton. The runs of ore do not appear to hold down to the bottom level (43 fm.), although there has been ore occasionally in three or four places. In going west the lode turns with the hill, and [ appears, so far as an opinion can be formed, to be coming back, or taking the bearing of the regular veins of the country. Taylor's shaft is situated about midway between Maes-y-Safn and the principal workings on ore ground. A cross-cut in the 30 has been driven so as to intersect the Maes-y-Safn lode, which is in compact limestone. COED HENDRE.—This mine has yielded good produce but is not more than paying cost at present. FRON-FOWNOG.—This is a rich flat," or bunch of ore, and has been making good profits; the returns, however, have fallen off from 300 to 130 tons a month. IRON BRIDGE FOR THE NEWPORT AND PONTYPOOL RAIL- WAY,—We are pleased to learn that our spirited townsman, Mr. N. Bowen, of the Newport and Pillgwenlly Foundry, is now engaged in the execution of an order for the Newport and Pontypool Railway, consisting of the iron bridge intended to cross the canal at Pontymoile, the dimensions and weight of which are somewhat extraordinary—the bridge being 52 ft. span, the girders between 9 and 10 tons, and the abutment plates between 5 and 6 tons each. We understand that the work will be of an excellent character, and present a ftne fea- ture on the line. The structure, it is stated, will be fixed be- fore the end of the ensuing month.—Monmouthshire Merlin.





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